Additional Information

Pacific West Regional Air Quality Information

The following links provide information on air quality in the Pacific West Region from State Air Quality Agencies and Regional Planning Organizations (multi-state and Tribal organizations established to address regional haze and related issues). A link is provided for the Regional Review - California National Parks, a comprehensive report on current and potential future conditions of air quality and air pollution impacts in Class I national parks, including Joshua Tree, Lassen Volcanic, Lava Beds, Pinnacles, Point Reyes, Redwood, Sequoia & Kings Canyon, and Yosemite.